@book{971,
	author = {Khurmi, R.S. and Gupta, J.K.},
	title = {A Text Book of Refrigeration and Air Conditions /},
	publisher = {S. chand,},
	year = {2007.},
	address = {New Delhi :},
	edition = {1st rev. ed.},
	note = {Includes index}
}